/*
 * Copyright 2006 - Gary Bentley
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.sourceprojects.cappadocia.com.gentlyweb.utils;

import java.io.PrintWriter;
import java.io.IOException;

public class ChainException extends Exception {

	private Throwable exp = null;

	public ChainException(String message) {

		super(message);

	}

	public ChainException(String message, Throwable exp) {

		super(message, exp);

		this.exp = exp;

	}

	public Throwable getException() {

		return this.exp;

	}

	public void printInnerExceptionChain(PrintWriter out) throws IOException {

		// Print out the inner exceptions if they exist...
		if (this.exp != null) {

			out.println("Next exception in chain:");
			exp.printStackTrace(out);
			out.println();

			if (exp instanceof ChainException) {

				ChainException ee = (ChainException) exp;

				ee.printInnerExceptionChain(out);

			} else {

				exp.printStackTrace(out);

			}

		}

	}

}
